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We reexamine the classical linear regression model when the model is subject to two types of uncertainty: (i) some of covariates are either missing or completely inaccessible, and (ii) the variance of the measurement error is undetermined…

统计理论 · 数学 2021-08-05 Shuzhen Yang , Jianfeng Yao

We test the predictions of the sticky information model using a survey dataset by comparing shoppers accuracy in recalling the prices of regulated and comparable unregulated products. Because regulated product prices are capped, they are…

综合经济学 · 经济学 2025-02-25 Doron Sayag , Avichai Snir , Daniel Levy

Cloud performance diagnosis and prediction is a challenging problem due to the stochastic nature of the cloud systems. Cloud performance is affected by a large set of factors including (but not limited to) virtual machine types, regions,…

分布式、并行与集群计算 · 计算机科学 2016-12-19 Karan Mitra , Saguna Saguna , Christer Åhlund , Rajiv Ranjan

This paper aims to provide a practical example on the assessment and propagation of input uncertainty for option pricing when using tree-based methods. Input uncertainty is propagated into output uncertainty, reflecting that option prices…

计算工程、金融与科学 · 计算机科学 2007-05-23 Henryk Gzyl , German Molina , Enrique ter Horst

Exploring the expansion history of the universe, understanding its evolutionary stages, and predicting its future evolution are important goals in astrophysics. Today, machine learning tools are used to help achieving these goals by…

Making ideal decisions as a product leader in a web-facing company is extremely difficult. In addition to navigating the ambiguity of customer satisfaction and achieving business goals, one must also pave a path forward for ones' products…

Semi-structured regression models enable the joint modeling of interpretable structured and complex unstructured feature effects. The structured model part is inspired by statistical models and can be used to infer the input-output…

机器学习 · 计算机科学 2024-01-24 Daniel Dold , David Rügamer , Beate Sick , Oliver Dürr

Skyline, aiming at finding a Pareto optimal subset of points in a multi-dimensional dataset, has gained great interest due to its extensive use for multi-criteria analysis and decision making. The skyline consists of all points that are not…

数据库 · 计算机科学 2019-05-03 Wenhui Yu , Jinfei Liu , Jian Pei , Li Xiong , Xu Chen , Zheng Qin

Introduction: Computational modeling has rapidly advanced over the last decades, especially to predict molecular properties for chemistry, material science and drug design. Recently, machine learning techniques have emerged as a powerful…

Multi-criteria decision making has been made possible with the advent of skyline queries. However, processing such queries for high dimensional datasets remains a time consuming task. Real-time applications are thus infeasible, especially…

数据库 · 计算机科学 2011-06-13 Arnab Bhattacharya , B. Palvali Teja , Sourav Dutta

We introduce Uncertain Natural Language Inference (UNLI), a refinement of Natural Language Inference (NLI) that shifts away from categorical labels, targeting instead the direct prediction of subjective probability assessments. We…

计算与语言 · 计算机科学 2020-05-06 Tongfei Chen , Zhengping Jiang , Adam Poliak , Keisuke Sakaguchi , Benjamin Van Durme

Both the current trends in technology such as smartphones, general mobile devices, stationary sensors, and satellites as well as a new user mentality of using this technology to voluntarily share enriched location information produces a…

数据库 · 计算机科学 2020-09-03 Andreas Zuefle

Inference in expressive probabilistic models is generally intractable, which makes them difficult to learn and limits their applicability. Sum-product networks are a class of deep models where, surprisingly, inference remains tractable even…

机器学习 · 计算机科学 2016-11-14 Abram L. Friesen , Pedro Domingos

Quantifying uncertainty of machine learning model predictions is essential for reliable decision-making, especially in safety-critical applications. Recently, uncertainty quantification (UQ) theory has advanced significantly, building on a…

Building a recommendation system that serves billions of users on daily basis is a challenging problem, as the system needs to make astronomical number of predictions per second based on real-time user behaviors with O(1) time complexity.…

信息检索 · 计算机科学 2020-10-13 Xiaoyong Yang , Yadong Zhu , Yi Zhang , Xiaobo Wang , Quan Yuan

Probabilistic model checking for systems with large or unbounded state space is a challenging computational problem in formal modelling and its applications. Numerical algorithms require an explicit representation of the state space, while…

计算机科学中的逻辑 · 计算机科学 2018-06-12 Dimitrios Milios , Guido Sanguinetti , David Schnoerr

To deal with non-linear relations between the predictors and the response, we can use transformations to make the data look linear or approximately linear. In practice, however, transformation methods may be ineffective, and it may be more…

统计方法学 · 统计学 2023-01-02 Mithun Kumar Acharjee , Kumer Pial Das

We consider the problem of PAC-learning decision trees, i.e., learning a decision tree over the n-dimensional hypercube from independent random labeled examples. Despite significant effort, no polynomial-time algorithm is known for learning…

机器学习 · 计算机科学 2008-12-05 Adam Tauman Kalai , Shang-Hua Teng

The use of cumulative incidence functions for characterizing the risk of one type of event in the presence of others has become increasingly popular over the past decade. The problems of modeling, estimation and inference have been treated…

统计方法学 · 统计学 2020-11-16 Youngjoo Cho , Annette M. Molinaro , Chen Hu , Robert L. Strawderman

Airlines and other industries have been making use of sophisticated Revenue Management Systems to maximize revenue for decades. While improving the different components of these systems has been the focus of numerous studies, estimating the…

机器学习 · 计算机科学 2021-06-17 Greta Laage , Emma Frejinger , Andrea Lodi , Guillaume Rabusseau